The purpose of the LMNA-5 Project was to determine the nature of specific anomalies to answer questions about their nature and to continue MHM's sediment build-up study. MHM determined which anomalies would be investigated from an analysis of sonar data that suggested they were submerged cultural resources. Each anomaly was assigned a number upon its recognition as a possible site. The 31 anomalies examined during the LMNA-5 Project were numbers 7, 9, 23, 40, 78.1, 97, 199, 327, 337, 351, 403, 441, 448, 452, 457, 481, 487, 488, 489, 491, 494, 548, 549, 550, 552, 558/559, 563, 564, 565, 566, and 569. Using data accumulated from the fieldwork as a starting point, MHM conducted research to place newly recognized nautical archaeological sites and anomalies in their historical contexts.After the completion of the LMNA-5 Project fieldwork in October 2015, there are now 48 identified wrecks on the bottom of Lake Minnetonka or that were once on the bottom, including a Woodland Culture dugout canoe removed from the lake in 1934. Of these wrecks, 29 of them have 28 Minnesota archaeological site numbers; 2 wrecks are features of one site. The precise sinking dates or the year of disposition of 15 of the 19 remaining wrecks are known; MHM will fill out site forms for them when appropriate. Further, 3 other types of maritime sites have archaeological site numbers and there are 15 maritime sites or objects without numbers. Additionally, 13 'other' objects have been identified that do not have site numbers. During the LMNA-5 Project specifically â of the 31 anomalies investigated â MHM and its volunteers confirmed the existence of 5 new wrecks, 3 new submerged maritime sites, 1 new section of an existing site, 1 large cut tree stump, 4 trees (2 cut and 2 natural), 7 rocks, 2 large clumps of weeds at unexpected water depths, and 8 false sonar returns comprised of unusual bottom contours

Copyright 2015. Copyright to Ann Merriman, Christopher Olson, and Maritime Heritage Minnesota. This report can be accessed and downloaded but cannot be changed in any way, sold for profit, or redistributed.

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